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Finding the Fourth Proportional to 63,039.20, 94,558.80 and 56,472.80

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Solution

The fourth proportional to 63,039.20, 94,558.80 and 56,472.80 is: 84,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,039.20 : 94,558.80 = 56,472.80 : x
  2. Step 2: Convert to fraction form
    63,039.20/94,558.80 = 56,472.80/x
  3. Step 3: Cross multiply
    63,039.20x = 94,558.80 × 56,472.80
  4. Step 4: Simplify right side
    63,039.20x = 5,340,000,200.64
  5. Step 5: Solve for x
    x = 5,340,000,200.64/63,039.20
  6. Step 6: Final answer
    x = 84,709.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.